23 · Diagnostics

Heater plugs warning light not working

Make: Fiat
Model: Ducato Factory Service Manual
Year: 2002–2006
Section: Instrument panel › Heater plugs warning light not working

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Fault diagnosisHeater plugs warning light not working

HEATER PLUGS WARNING LIGHT NOT WORKING

2.0 JTD 8V, 2.3 JTD 16V, 2.8 JTD 8V

The spark plug warning light does not come with the ignition on;

The warning lights take the form of leds built into the electronic circuit and are NOT therefore replaceable

STEP	OPERATIONS TO BE CARRIED OUT	TEST RESULTS
1	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
1997JTD	Connect the diagnostic test equipment (Examiner or other instruments) to the tester input.Check: that there are no faults in the engine management control unit; the plausibility of all the parameters	Move on to Step	1. No communication with the control unit	1. Restore:a) connection between the engine management control unit and the diagnostic connector; See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT b) engine control unit supply See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT
1997JTD		Move on to Step	2. Control unit fault	2. Continue following the instructions for the diagnostic equipment
1	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
2300JTD	Connect the diagnostic test equipment (Examiner or other instruments) to the tester input.Check: that there are no faults in the engine management control unit; the plausibility of all the parameters	Move on to Step	1. No communication with the control unit	1. Restore:a) connection between the engine management control unit and the diagnostic connector; See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT b) engine control unit supply See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT
2300JTD		Move on to Step	2. Control unit fault	2. Continue following the instructions for the diagnostic equipment
1	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
2800JTD	Connect the diagnostic test equipment (Examiner or other instruments) to the tester input.Check: that there are no faults in the engine management control unit; the plausibility of all the parameters	Move on to Step	1. No communication with the control unit	1. Restore:a) connection between the engine management control unit and the diagnostic connector; See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT b) engine control unit supply See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT
2800JTD		Move on to Step	2. Control unit fault	2. Continue following the instructions for the diagnostic equipment
2	CORRECT OPERATION CHECK ON RELEVANT WARNING LIGHT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
1997JTD	Carry out active diagnosis on the glow plug warning light using the tester in engine control unit mode	Move on to Step	Fault in warning light on instrument panel	Restore the connection between the engine management control unit and the instrument panel connector See E4010 INSTRUMENT PANEL
2	CORRECT OPERATION CHECK ON RELEVANT WARNING LIGHT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
2300JTD	Carry out active diagnosis on the glow plug warning light using the tester in engine control unit mode	Move on to Step	Fault in warning light on instrument panel	Restore the connection between the engine management control unit and the instrument panel connector See E4010 INSTRUMENT PANEL
2	CORRECT OPERATION CHECK ON RELEVANT WARNING LIGHT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
2800JTD	Carry out active diagnosis on the glow plug warning light using the tester in engine control unit mode	Move on to Step	Fault in warning light on instrument panel	Restore the connection between the engine management control unit and the instrument panel connector See E4010 INSTRUMENT PANEL
3	INSTRUMENT PANEL CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
1997JTD	Check the condition of the glow plug warning light in the instrument panel See E4010 INSTRUMENT PANEL	Move on to Step	Instrument panel not working	Replace instrument panel Op. 5560B10 ANALOGUE CONTROL PANEL - R+R
3	INSTRUMENT PANEL CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
2300JTD	Check the condition of the glow plug warning light in the instrument panel See E4010 INSTRUMENT PANEL	Move on to Step	Instrument panel not working	Replace instrument panel Op. 5560B10 ANALOGUE CONTROL PANEL - R+R
3	INSTRUMENT PANEL CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
2800JTD	Check the condition of the glow plug warning light in the instrument panel See E4010 INSTRUMENT PANEL	Move on to Step	Instrument panel not working	Replace instrument panel Op. 5560B10 ANALOGUE CONTROL PANEL - R+R
4	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
1997JTD	Check that the fault is no longer present
4	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
2300JTD	Check that the fault is no longer present
4	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
2800JTD	Check that the fault is no longer present

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Parts & tools for this job For 2002 Fiat Ducato

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